336571820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^2$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 778128624

約数和(自身を除く): 441556804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 139, 260, 268, 278, 335, 556, 670, 695, 871, 1340, 1390, 1742, 1807, 2780, 3484, 3614, 4355, 7228, 8710, 9035, 9313, 17420, 18070, 18626, 19321, 36140, 37252, 38642, 46565, 77284, 93130, 96605, 121069, 186260, 193210, 242138, 251173, 386420, 484276, 502346, 605345, 1004692, 1210690, 1255865, 1294507, 2421380, 2511730, 2589014, 5023460, 5178028, 6472535, 12945070, 16828591, 25890140, 33657182, 67314364, 84142955, 168285910, 336571820]

約数ペア:

[(1, 336571820), (2, 168285910), (4, 84142955), (5, 67314364), (10, 33657182), (13, 25890140), (20, 16828591), (26, 12945070), (52, 6472535), (65, 5178028), (67, 5023460), (130, 2589014), (134, 2511730), (139, 2421380), (260, 1294507), (268, 1255865), (278, 1210690), (335, 1004692), (556, 605345), (670, 502346), (695, 484276), (871, 386420), (1340, 251173), (1390, 242138), (1742, 193210), (1807, 186260), (2780, 121069), (3484, 96605), (3614, 93130), (4355, 77284), (7228, 46565), (8710, 38642), (9035, 37252), (9313, 36140), (17420, 19321), (18070, 18626)]